Can you guess what this is?
photo credit: Pöllö |
What do you think you see in this petri dish? What could be A, B and C?
See Answer
Microbial growth ina petri dish | (A), after washing hands with soap (B) and after disinfection with alcohol (C)
The handprint in the petri dish above is causing quite a stir on the Internet and it belongs to microbiology lab technician Tasha Sturm’s 8-year-old son after playing outside.
Posted on Microbe World, the print shows the different growths cultivated from his hand after playing outdoors. Allowed to incubate for several days, there are yeasts, fungi and bacteria.
Sturm will conduct further tests to determine what exactly the various growths are. She believes the large white circle in the bottom-right corner (close-up shown above) to be Bacillus, which is often found in dirt. She also notes that the white spots may be Staphylococcus and the yellow and orange spots could be yeast.